CN220268491U - Double-ball valve - Google Patents
Double-ball valve Download PDFInfo
- Publication number
- CN220268491U CN220268491U CN202321849688.1U CN202321849688U CN220268491U CN 220268491 U CN220268491 U CN 220268491U CN 202321849688 U CN202321849688 U CN 202321849688U CN 220268491 U CN220268491 U CN 220268491U
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- ball
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- 238000007789 sealing Methods 0.000 claims abstract description 33
- 230000009977 dual effect Effects 0.000 claims description 3
- 239000012530 fluid Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model is applicable to the technical field of fluid valves, and provides a double-ball valve, which comprises a valve body and further comprises: the valve body is provided with a first channel, a third channel, a fourth channel and a second channel, and the first channel, the third channel, the fourth channel and the second channel are sequentially communicated; the novel valve is characterized in that a first disc spring, a first supporting valve seat, a first ball body, a first sealing valve seat and a first positioning ring are sequentially arranged in the third channel from one end close to the first channel, the first positioning ring is fixed in the third channel, arc-shaped faces matched with the first ball body are arranged on the first supporting valve seat and the first sealing valve seat, a first valve rod is fixed on the first ball body, and the first valve rod extends out of the valve body. This application can realize opening simultaneously and closing through setting up two sets of spheroids and sealed disk seat and supporting the disk seat, reaches twice simultaneously and seals to two sets of valve body subassembly realize mutual protection, improve the sealed stability of valve.
Description
Technical Field
The utility model belongs to the technical field of fluid valves, and particularly relates to a double-ball valve.
Background
The existing ball valve generally comprises a valve body, a ball body, a sealing valve seat, a supporting valve seat, a belleville spring, a supporting sleeve, a valve rod and a valve body support, wherein the valve rod is mechanically combined with the ball body, the sealing element is the ball body and the valve seat, the ball body is matched with the ball surface of the valve seat, the ball body is tightly attached to the valve seat by the elastic force of the belleville spring, and the ball body can rotate by 90 degrees in the valve body by taking the valve rod as a rotating shaft so as to open and close a valve body (pipeline) channel, and the function of opening and cutting off a channel medium is achieved.
The existing ball valve has the defects that after long-term use, the ball body and the valve seat leak in a closed state, and no other protective measures exist in the leakage process, so that the stability of the existing ball valve is poor.
Disclosure of Invention
The embodiment of the utility model aims to provide a double-ball valve, which aims to solve the problems that the ball and a valve seat are leaked in a closed state and other protective measures are not needed in the leakage.
The utility model is realized in such a way that a double-ball valve comprises a valve body and further comprises: the valve body is provided with a first channel, a third channel, a fourth channel and a second channel, and the first channel, the third channel, the fourth channel and the second channel are sequentially communicated; the first disc spring, the first supporting valve seat, the first ball body, the first sealing valve seat and the first positioning ring are sequentially arranged in the third channel from one end close to the first channel, the first positioning ring is fixed in the third channel, arc-shaped surfaces matched with the first ball body are arranged on the first supporting valve seat and the first sealing valve seat, the first valve rod is fixed on the first ball body, and the first valve rod extends out of the valve body; the second sealing valve seat and the second supporting valve seat are both provided with arc-shaped surfaces matched with the second ball body, a second valve rod is fixed on the second ball body, and the second valve rod extends out of the valve body; the valve body is provided with a driving assembly for synchronously driving the first valve rod and the second valve rod to rotate.
Further technical scheme, drive assembly includes main valve rod and support, be provided with the support base on the support, and the support base is fixed on the valve body, the one end that the support is close to the support base is fixed with the positioning seat, in the terminal all stretching into the positioning seat of first valve rod and second valve rod, be fixed with first spur gear and second spur gear on first valve rod and the second valve rod respectively, the one end of main valve rod is fixed with main valve rod step, main valve rod step activity sets up in the heavy inslot of valve body, main valve rod runs through support base, positioning seat and support, and is fixed with first bevel gear on the main valve rod, and first bevel gear simultaneously with first spur gear and second spur gear meshing cooperation.
Further technical scheme, drive assembly includes support, positioning seat, second bevel gear and third bevel gear, the support is fixed on the valve body, the positioning seat is fixed on the support, first valve rod stretches into in the positioning seat, the second valve rod runs through support and positioning seat, second bevel gear and third bevel gear are fixed respectively on first valve rod and second valve rod, and second bevel gear and third bevel gear meshing cooperation.
According to a further technical scheme, an opening is formed in the valve body and is communicated with the third channel and the fourth channel, and a sealing plate is fixed to the valve body at the opening through bolts.
According to a further technical scheme, a sealing ring is arranged between the sealing plate and the valve body.
According to the double-ball valve provided by the embodiment of the utility model, the driving assembly drives the first valve rod and the second valve rod to synchronously rotate, the first valve rod and the second valve rod respectively drive the first ball body and the second ball body to rotate until the through hole on the first ball body is communicated with the first supporting valve seat and the first sealing valve seat, the through hole on the second ball body is communicated with the second sealing valve seat and the second supporting valve seat, and at the moment, the first channel, the third channel, the fourth channel and the second channel are in a channel state, and the valve body is opened; when closing the valve body, reverse rotation 90, make through-hole and first support disk seat and the first sealed disk seat stagger on the first spheroid, through-hole and second sealed disk seat and the second on the second spheroid stagger can, this application can realize opening simultaneously and close through setting up two sets of spheroids and sealed disk seat and supporting the disk seat, reaches twice simultaneously and seals to two sets of valve body subassemblies realize mutual protection, improve the sealed stability of valve.
Drawings
Fig. 1 is a schematic structural diagram of a double-ball valve according to embodiment 1 of the present utility model;
fig. 2 is a schematic structural diagram of a dual ball valve according to embodiment 2 of the present utility model;
fig. 3 is a schematic structural diagram of a first sphere according to an embodiment of the present utility model.
In the accompanying drawings: the valve comprises a main valve rod 1, a bracket 2, a positioning seat 3, a first valve rod 4, a first spur gear 5, a first bevel gear 6, a second valve rod 7, a second spur gear 8, a main valve rod step 9, a bracket base 10, a valve body 11, a first disc spring 12, a first support valve seat 13, a first ball 14, a first sealing valve seat 15, a first positioning ring 16, a second positioning ring 17, a support sleeve 18, a second disc spring 19, a second support valve seat 20, a second ball 21, a second sealing valve seat 22, a first channel 23, a second channel 24, a third channel 25, a fourth channel 26, a second bevel gear 27, a third bevel gear 28, an opening 29, a sealing plate 30 and a sealing ring 31.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Specific implementations of the utility model are described in detail below in connection with specific embodiments.
As shown in fig. 1 to 3, a dual ball valve according to an embodiment of the present utility model includes a valve body 11, and further includes: the valve body 11 is provided with a first channel 23, a third channel 25, a fourth channel 26 and a second channel 24, and the first channel 23, the third channel 25, the fourth channel 26 and the second channel 24 are sequentially communicated; the third channel 25 is internally provided with a first disc spring 12, a first supporting valve seat 13, a first ball 14, a first sealing valve seat 15 and a first positioning ring 16 in sequence from one end close to the first channel 23, the first positioning ring 16 is fixed in the third channel 25, the first supporting valve seat 13 and the first sealing valve seat 15 are both provided with arc surfaces matched with the first ball 14, the first ball 14 is fixedly provided with a first valve rod 4, and the first valve rod 4 extends out of the valve body 11; a second sealing valve seat 22, a second ball 21, a second supporting valve seat 20, a second disc spring 19, a supporting sleeve 18 and a second positioning ring 17 are sequentially arranged in the fourth channel 26 from one end close to the second channel 24, the second positioning ring 17 is fixed in the fourth channel 26, arc-shaped surfaces matched with the second ball 21 are arranged on the second sealing valve seat 22 and the second supporting valve seat 20, a second valve rod 7 is fixed on the second ball 21, and the second valve rod 7 extends out of the valve body 11; through holes are formed in the first ball 14 and the second ball 21, and a driving assembly for synchronously driving the first valve rod 4 and the second valve rod 7 to rotate is arranged on the valve body 11.
In the embodiment of the utility model, through holes for liquid to circulate are formed in the first disc spring 12, the first support valve seat 13, the first ball 14, the first positioning ring 16, the second sealing valve seat 22, the second support valve seat 20, the second disc spring 19, the support sleeve 18 and the second positioning ring 17; when the valve is used, the driving assembly drives the first valve rod 4 and the second valve rod 7 to synchronously rotate, the first valve rod 4 and the second valve rod 7 respectively drive the first ball body 14 and the second ball body 21 to rotate until the through hole on the first ball body 14 is communicated with the first supporting valve seat 13 and the first sealing valve seat 15, the through hole on the second ball body 21 is communicated with the second sealing valve seat 22 and the second supporting valve seat 20, at the moment, the first channel 23, the third channel 25, the fourth channel 26 and the second channel 24 are in a channel state, and the valve body 11 is opened; when closing the valve body, reverse rotation 90, make the through-hole on the first spheroid 14 stagger with first support disk seat 13 and first seal disk seat 15, the through-hole on the second spheroid 21 stagger with second seal disk seat 22 and second support disk seat 20 can, this application can realize opening simultaneously and closing through setting up two sets of spheroids and seal disk seat and support disk seat, reaches twice simultaneously and seals to two sets of valve body subassemblies realize mutual protection, improve the sealed stability of valve.
As shown in fig. 1, as a preferred embodiment of the present utility model, the driving assembly includes a main valve rod 1 and a support 2, a support base 10 is disposed on the support 2, the support base 10 is fixed on a valve body 11, a positioning seat 3 is fixed at one end of the support 2 near the support base 10, the ends of the first valve rod 4 and the second valve rod 7 extend into the positioning seat 3, a first spur gear 5 and a second spur gear 8 are respectively fixed on the first valve rod 4 and the second valve rod 7, a main valve rod step 9 is fixed at one end of the main valve rod 1, the main valve rod step 9 is movably disposed in a sink groove of the valve body 11, the main valve rod 1 penetrates through the support base 10, the positioning seat 3 and the support 2, a first bevel gear 6 is fixed on the main valve rod 1, and the first bevel gear 6 is meshed with the first spur gear 5 and the second spur gear 8 at the same time.
In the embodiment of the utility model, the main valve rod 1 is rotated, the main valve rod 1 drives the first bevel gear 6 to rotate, the first bevel gear 6 drives the first spur gear 5 and the second spur gear 8 to rotate, and the first spur gear 5 and the second spur gear 8 drive the first valve rod 4 and the second valve rod 7 to rotate respectively.
As shown in fig. 2, as a preferred embodiment of the present utility model, the driving assembly includes a bracket 2, a positioning seat 3, a second bevel gear 27 and a third bevel gear 28, the bracket 2 is fixed on the valve body 11, the positioning seat 3 is fixed on the bracket 2, the first valve rod 4 extends into the positioning seat 3, the second valve rod 7 penetrates through the bracket 2 and the positioning seat 3, the second bevel gear 27 and the third bevel gear 28 are fixed on the first valve rod 4 and the second valve rod 7, respectively, and the second bevel gear 27 and the third bevel gear 28 are engaged and matched.
In the embodiment of the utility model, the second valve rod 7 is rotated, the second valve rod 7 drives the third bevel gear 28 to rotate, the third bevel gear 28 drives the second bevel gear 27 to rotate, the second bevel gear 27 drives the first valve rod 4 to rotate, and then the first valve rod 4 and the second valve rod 7 synchronously rotate.
As shown in fig. 1 and 2, as a preferred embodiment of the present utility model, an opening 29 is provided on the valve body 11, and the opening 29 is provided in communication with the third passage 25 and the fourth passage 26, and a sealing plate 30 is fixed to the valve body 11 at the opening 29 by bolts.
In the embodiment of the present utility model, the valve body 11 is easily overhauled and cleaned by providing the opening 29 and the sealing plate 30.
As shown in fig. 1 and 2, as a preferred embodiment of the present utility model, a sealing ring 31 is provided between the sealing plate 30 and the valve body 11.
In the embodiment of the present utility model, the sealability at the opening 29 is increased.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (5)
1. The utility model provides a two ball valves, includes the valve body, its characterized in that still includes:
the valve body is provided with a first channel, a third channel, a fourth channel and a second channel, and the first channel, the third channel, the fourth channel and the second channel are sequentially communicated;
the first disc spring, the first supporting valve seat, the first ball body, the first sealing valve seat and the first positioning ring are sequentially arranged in the third channel from one end close to the first channel, the first positioning ring is fixed in the third channel, arc-shaped surfaces matched with the first ball body are arranged on the first supporting valve seat and the first sealing valve seat, the first valve rod is fixed on the first ball body, and the first valve rod extends out of the valve body;
the second sealing valve seat and the second supporting valve seat are both provided with arc-shaped surfaces matched with the second ball body, a second valve rod is fixed on the second ball body, and the second valve rod extends out of the valve body;
the valve body is provided with a driving assembly for synchronously driving the first valve rod and the second valve rod to rotate.
2. The double-ball valve according to claim 1, wherein the driving assembly comprises a main valve rod and a support, a support base is arranged on the support, the support base is fixed on the valve body, one end of the support, which is close to the support base, is fixed with a positioning seat, the tail ends of the first valve rod and the second valve rod are respectively extended into the positioning seat, a first spur gear and a second spur gear are respectively fixed on the first valve rod and the second valve rod, one end of the main valve rod is fixed with a main valve rod step, the main valve rod step is movably arranged in a sink groove of the valve body, the main valve rod penetrates through the support base, the positioning seat and the support, a first bevel gear is fixed on the main valve rod, and the first bevel gear is meshed and matched with the first spur gear and the second spur gear.
3. The dual ball valve of claim 1, wherein the drive assembly comprises a bracket, a positioning seat, a second bevel gear and a third bevel gear, the bracket is fixed on the valve body, the positioning seat is fixed on the bracket, the first valve rod extends into the positioning seat, the second valve rod penetrates through the bracket and the positioning seat, the second bevel gear and the third bevel gear are fixed on the first valve rod and the second valve rod respectively, and the second bevel gear and the third bevel gear are in meshed fit.
4. The double-ball valve according to claim 1, wherein an opening is formed in the valve body and is communicated with the third channel and the fourth channel, and a sealing plate is fixed to the valve body at the opening through bolts.
5. The double ball valve according to claim 4, wherein a sealing ring is arranged between the sealing plate and the valve body 。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321849688.1U CN220268491U (en) | 2023-07-13 | 2023-07-13 | Double-ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321849688.1U CN220268491U (en) | 2023-07-13 | 2023-07-13 | Double-ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220268491U true CN220268491U (en) | 2023-12-29 |
Family
ID=89317569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321849688.1U Active CN220268491U (en) | 2023-07-13 | 2023-07-13 | Double-ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220268491U (en) |
-
2023
- 2023-07-13 CN CN202321849688.1U patent/CN220268491U/en active Active
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